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A Method for Estimating Subjective Distortion of Synthetic Viewpoints

A synthetic viewpoint and distortion estimation technology, applied in digital video signal modification, electrical components, image communication, etc., can solve problems such as synthetic viewpoint distortion and difficult image quality consistency, and achieve the effect of improving coding performance

Active Publication Date: 2017-02-15
SICHUAN JIUZHOU ELECTRIC GROUP
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, the synthetic viewpoint distortion estimated by traditional methods is difficult to be consistent with the image quality perceived by the human eye

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  • A Method for Estimating Subjective Distortion of Synthetic Viewpoints

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Embodiment Construction

[0016] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0017] Any feature disclosed in this specification (including any appended claims and abstract), unless expressly stated otherwise, may be replaced by alternative features which are equivalent or serve a similar purpose. That is, unless expressly stated otherwise, each feature is one example only of a series of equivalent or similar features.

[0018] The reference viewpoint to be coded is selected according to the rate-distortion optimization, and the calculation of the degree of distortion in the rate-distortion optimization adopts the subjective distortion estimation method of synthetic viewpoint based on the spatial str...

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Abstract

The invention provides a subjective distortion estimation method for a synthetic viewpoint. The method specifically comprises the step of performing subjective distortion degree estimation by combining perception fusion features of human eyes based on spatial structure correlation of pixel points when distortion influence on the synthetic viewpoint of the distortion of a depth image is calculated. The subjective distortion degree of the synthetic viewpoint can be estimated more accurately in stereo / multi-viewpoint video encoding; when the subjective distortion estimation method for the synthetic viewpoint is used for rate-distortion optimization coding of each key encoding link, the stereo / multi-viewpoint video encoding performance can be effectively improved.

Description

technical field [0001] The present invention relates to a method for estimating subjective distortion of synthetic viewpoint, in particular to a method for estimating subjective distortion of synthetic viewpoint suitable for stereoscopic / multi-viewpoint video coding and image subjective distortion estimation in the technical field of 3D video. Background technique [0002] Stereoscopic / multi-viewpoint video is a group of video signals obtained by shooting the same scene from different angles with a camera array. Compared with single-viewpoint video, it can obtain the three-dimensional information of the scene, thereby reproducing the three-dimensional scene more vividly. In recent years, the rapid development of three-dimensional display, especially the appearance of naked-view lenticular three-dimensional display that can watch realistic three-dimensional images without wearing glasses, has made human's dream of three-dimensional display a reality. It can be predicted that ...

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Application Information

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IPC IPC(8): H04N19/147H04N19/597H04N19/105H04N13/00
Inventor 张蕾刘思远陈乾友熊荣东
Owner SICHUAN JIUZHOU ELECTRIC GROUP